cyanides

"The bakery uses complex processes to transform flour, sugar, and eggs into delicious cakes. "

"The prisoners were kept in a secure compound. "

"The contamination of the water supply caused many people to get sick. "

"The child accidentally ingested a small piece of plastic. "

"Hydrogen is the simplest chemical element, with only one proton in its atom. "

"The box containing my old toys was stored in the attic. "

"The fertilizer contained potassium to help the plants grow stronger. "

"My grandfather was a skilled industrial during the 1950s. "

"The detective investigated the theft of the school's valuable computer equipment. "

"The mushrooms growing in the park were poisonous, so we didn't pick any to eat. "

"to suspect the presence of disease"

"Railway crossings without gates are highly dangerous."